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/**
* @file llwindowwin32.h
* @brief Windows implementation of LLWindow class
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LL_LLWINDOWWIN32_H
#define LL_LLWINDOWWIN32_H
// Limit Windows API to small and manageable set.
#include "llwin32headerslean.h"
#include "llwindow.h"
#include "llwindowcallbacks.h"
#include "lldragdropwin32.h"
#include "llthread.h"
#include "llthreadsafequeue.h"
#include "llmutex.h"
#include "workqueue.h"
// Hack for async host by name
#define LL_WM_HOST_RESOLVED (WM_APP + 1)
typedef void (*LLW32MsgCallback)(const MSG &msg);
class LLWindowWin32 : public LLWindow
{
public:
/*virtual*/ void show();
/*virtual*/ void hide();
/*virtual*/ void close();
/*virtual*/ bool getVisible();
/*virtual*/ bool getMinimized();
/*virtual*/ bool getMaximized();
/*virtual*/ bool maximize();
/*virtual*/ void minimize();
/*virtual*/ void restore();
/*virtual*/ bool getFullscreen();
/*virtual*/ bool getPosition(LLCoordScreen *position);
/*virtual*/ bool getSize(LLCoordScreen *size);
/*virtual*/ bool getSize(LLCoordWindow *size);
/*virtual*/ bool setPosition(LLCoordScreen position);
/*virtual*/ bool setSizeImpl(LLCoordScreen size);
/*virtual*/ bool setSizeImpl(LLCoordWindow size);
/*virtual*/ bool switchContext(bool fullscreen, const LLCoordScreen &size, bool enable_vsync, const LLCoordScreen * const posp = NULL);
/*virtual*/ void setTitle(const std::string title);
void* createSharedContext() override;
void makeContextCurrent(void* context) override;
void destroySharedContext(void* context) override;
/*virtual*/ void toggleVSync(bool enable_vsync);
/*virtual*/ bool setCursorPosition(LLCoordWindow position);
/*virtual*/ bool getCursorPosition(LLCoordWindow *position);
/*virtual*/ bool getCursorDelta(LLCoordCommon* delta);
/*virtual*/ void showCursor();
/*virtual*/ void hideCursor();
/*virtual*/ void showCursorFromMouseMove();
/*virtual*/ void hideCursorUntilMouseMove();
/*virtual*/ bool isCursorHidden();
/*virtual*/ void updateCursor();
/*virtual*/ ECursorType getCursor() const;
/*virtual*/ void captureMouse();
/*virtual*/ void releaseMouse();
/*virtual*/ void setMouseClipping( bool b );
/*virtual*/ bool isClipboardTextAvailable();
/*virtual*/ bool pasteTextFromClipboard(LLWString &dst);
/*virtual*/ bool copyTextToClipboard(const LLWString &src);
/*virtual*/ void flashIcon(F32 seconds);
/*virtual*/ F32 getGamma();
/*virtual*/ bool setGamma(const F32 gamma); // Set the gamma
/*virtual*/ void setFSAASamples(const U32 fsaa_samples);
/*virtual*/ U32 getFSAASamples();
/*virtual*/ bool restoreGamma(); // Restore original gamma table (before updating gamma)
/*virtual*/ ESwapMethod getSwapMethod() { return mSwapMethod; }
/*virtual*/ void gatherInput();
/*virtual*/ void delayInputProcessing();
/*virtual*/ void swapBuffers();
/*virtual*/ void restoreGLContext() {};
// handy coordinate space conversion routines
/*virtual*/ bool convertCoords(LLCoordScreen from, LLCoordWindow *to);
/*virtual*/ bool convertCoords(LLCoordWindow from, LLCoordScreen *to);
/*virtual*/ bool convertCoords(LLCoordWindow from, LLCoordGL *to);
/*virtual*/ bool convertCoords(LLCoordGL from, LLCoordWindow *to);
/*virtual*/ bool convertCoords(LLCoordScreen from, LLCoordGL *to);
/*virtual*/ bool convertCoords(LLCoordGL from, LLCoordScreen *to);
/*virtual*/ LLWindowResolution* getSupportedResolutions(S32 &num_resolutions);
/*virtual*/ F32 getNativeAspectRatio();
/*virtual*/ F32 getPixelAspectRatio();
/*virtual*/ void setNativeAspectRatio(F32 ratio) { mOverrideAspectRatio = ratio; }
/*virtual*/ void setMaxVRAMMegabytes(U32 max_vram) override;
/*virtual*/ bool dialogColorPicker(F32 *r, F32 *g, F32 *b );
/*virtual*/ void *getPlatformWindow();
/*virtual*/ void bringToFront();
/*virtual*/ void focusClient();
/*virtual*/ void allowLanguageTextInput(LLPreeditor *preeditor, bool b);
/*virtual*/ void setLanguageTextInput( const LLCoordGL & pos );
/*virtual*/ void updateLanguageTextInputArea();
/*virtual*/ void interruptLanguageTextInput();
/*virtual*/ void spawnWebBrowser(const std::string& escaped_url, bool async);
/*virtual*/ F32 getSystemUISize();
LLWindowCallbacks::DragNDropResult completeDragNDropRequest( const LLCoordGL gl_coord, const MASK mask, LLWindowCallbacks::DragNDropAction action, const std::string url );
static std::vector<std::string> getDisplaysResolutionList();
static std::vector<std::string> getDynamicFallbackFontList();
static void setDPIAwareness();
/*virtual*/ void* getDirectInput8();
/*virtual*/ bool getInputDevices(U32 device_type_filter, void * di8_devices_callback, void* userdata);
U32 getRawWParam() { return mRawWParam; }
protected:
LLWindowWin32(LLWindowCallbacks* callbacks,
const std::string& title, const std::string& name, int x, int y, int width, int height, U32 flags,
bool fullscreen, bool clearBg, bool enable_vsync, bool use_gl,
bool ignore_pixel_depth, U32 fsaa_samples, U32 max_cores, U32 max_vram, F32 max_gl_version);
~LLWindowWin32();
void initCursors();
void initInputDevices();
HCURSOR loadColorCursor(LPCTSTR name);
bool isValid();
void moveWindow(const LLCoordScreen& position,const LLCoordScreen& size);
virtual LLSD getNativeKeyData();
// Changes display resolution. Returns true if successful
bool setDisplayResolution(S32 width, S32 height, S32 bits, S32 refresh);
// Go back to last fullscreen display resolution.
bool setFullscreenResolution();
// Restore the display resolution to its value before we ran the app.
bool resetDisplayResolution();
bool shouldPostQuit() { return mPostQuit; }
void fillCompositionForm(const LLRect& bounds, COMPOSITIONFORM *form);
void fillCandidateForm(const LLCoordGL& caret, const LLRect& bounds, CANDIDATEFORM *form);
void fillCharPosition(const LLCoordGL& caret, const LLRect& bounds, const LLRect& control, IMECHARPOSITION *char_position);
void fillCompositionLogfont(LOGFONT *logfont);
U32 fillReconvertString(const LLWString &text, S32 focus, S32 focus_length, RECONVERTSTRING *reconvert_string);
void handleStartCompositionMessage();
void handleCompositionMessage(U32 indexes);
bool handleImeRequests(WPARAM request, LPARAM param, LRESULT *result);
protected:
//
// Platform specific methods
//
bool getClientRectInScreenSpace(RECT* rectp);
void updateJoystick( );
static LRESULT CALLBACK mainWindowProc(HWND h_wnd, UINT u_msg, WPARAM w_param, LPARAM l_param);
static bool CALLBACK enumChildWindows(HWND h_wnd, LPARAM l_param);
//
// Platform specific variables
//
WCHAR *mWindowTitle;
WCHAR *mWindowClassName;
HWND mWindowHandle = 0; // window handle
HGLRC mhRC = 0; // OpenGL rendering context
HDC mhDC = 0; // Windows Device context handle
HINSTANCE mhInstance; // handle to application instance
RECT mOldMouseClip; // Screen rect to which the mouse cursor was globally constrained before we changed it in clipMouse()
WPARAM mLastSizeWParam;
F32 mOverrideAspectRatio;
F32 mNativeAspectRatio;
HCURSOR mCursor[ UI_CURSOR_COUNT ]; // Array of all mouse cursors
LLCoordWindow mCursorPosition; // mouse cursor position, should only be mutated on main thread
LLMutex mRawMouseMutex;
RAWINPUTDEVICE mRawMouse;
LLCoordWindow mLastCursorPosition; // mouse cursor position from previous frame
LLCoordCommon mRawMouseDelta; // raw mouse delta according to window thread
LLCoordCommon mMouseFrameDelta; // how much the mouse moved between the last two calls to gatherInput
MASK mMouseMask;
static bool sIsClassRegistered; // has the window class been registered?
F32 mCurrentGamma;
U32 mFSAASamples;
U32 mMaxCores; // for debugging only -- maximum number of CPU cores to use, or 0 for no limit
F32 mMaxGLVersion; // maximum OpenGL version to attempt to use (clamps to 3.2 - 4.6)
WORD mPrevGammaRamp[3][256];
WORD mCurrentGammaRamp[3][256];
bool mCustomGammaSet;
LPWSTR mIconResource;
bool mInputProcessingPaused;
// The following variables are for Language Text Input control.
// They are all static, since one context is shared by all LLWindowWin32
// instances.
static bool sLanguageTextInputAllowed;
static bool sWinIMEOpened;
static HKL sWinInputLocale;
static DWORD sWinIMEConversionMode;
static DWORD sWinIMESentenceMode;
static LLCoordWindow sWinIMEWindowPosition;
LLCoordGL mLanguageTextInputPointGL;
LLRect mLanguageTextInputAreaGL;
LLPreeditor *mPreeditor;
LLDragDropWin32* mDragDrop;
U32 mKeyCharCode;
U32 mKeyScanCode;
U32 mKeyVirtualKey;
U32 mRawMsg;
U32 mRawWParam;
U32 mRawLParam;
bool mMouseVanish;
// Cached values of GetWindowRect and GetClientRect to be used by app thread
void updateWindowRect();
RECT mRect;
RECT mClientRect;
struct LLWindowWin32Thread;
LLWindowWin32Thread* mWindowThread = nullptr;
LLThreadSafeQueue<std::function<void()>> mFunctionQueue;
LLThreadSafeQueue<std::function<void()>> mMouseQueue;
void post(const std::function<void()>& func);
void postMouseButtonEvent(const std::function<void()>& func);
void recreateWindow(RECT window_rect, DWORD dw_ex_style, DWORD dw_style);
void kickWindowThread(HWND windowHandle=0);
friend class LLWindowManager;
};
class LLSplashScreenWin32 : public LLSplashScreen
{
public:
LLSplashScreenWin32();
virtual ~LLSplashScreenWin32();
/*virtual*/ void showImpl();
/*virtual*/ void updateImpl(const std::string& mesg);
/*virtual*/ void hideImpl();
#if LL_WINDOWS
static LRESULT CALLBACK windowProc(HWND h_wnd, UINT u_msg,
WPARAM w_param, LPARAM l_param);
#endif
private:
#if LL_WINDOWS
HWND mWindow;
#endif
};
extern LLW32MsgCallback gAsyncMsgCallback;
extern LPWSTR gIconResource;
static void handleMessage( const MSG& msg );
S32 OSMessageBoxWin32(const std::string& text, const std::string& caption, U32 type);
#endif //LL_LLWINDOWWIN32_H
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